| 品牌：AB | 規格：1746-OB16 | 材質：1746-OB16 |
| 產地：美國 |
1746-OB16
1746-OB16
1746-OB16
計數器有一個時鐘脈衝端(CP)，它接受PLC內各種軟繼電器送入的脈衝信號，在圖4中為輸入繼電器觸點X00，當X00由斷開到閉合，每變換一次輸入一個脈衝信號，那麼，計數器就從當前值減1，直到計數器當前值為0時，計數器線圈通電，它的常開觸點閉合、常閉觸
點斷開，這些觸點都可以在PLC內選擇使用。
定時器(T)。定時器(TIMER，簡寫T)的工作時間即延時時間由程序設定。定時器線圈接受到輸入信號後，按數值遞減的方式進行。當前數值變為0時進行一次輸出，即定時器常開觸點閉合。
New 5x Omega Thermocouples 4x Precision Fine Wire 0.020”x72” 1x SC-GG-K-30-36-P?P
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ALLEN BRADLEY 802T-APN SERIES H LIMIT SWITCH ,LEVER, TYPE A
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TURCK PSU67-11-2440/M POWER SUPPLY 200 WATT OUTPUT 24VAC 8 AMP
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